Vulnerability in Libav
CVE-2015-5479
The ff_h263_decode_mba function in libavcodec/ituh263dec.c in Libav before 11.5 allows remote attackers to cause a denial of service (divide-by-zero error and application crash) via a file with crafted dimensions.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.020 (79.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 79.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.020 · newest: 0.020 · change: 0.000
Affected products
- Libav
- openSUSE Leap — versions 42.1
- Ubuntu — versions 12.04
Weakness classification (CWE)
Public proof-of-concept exploits
References
- lists.opensuse.org/opensuse-updates/2016-06/msg00105.html (vendor-advisory, Third Party Advisory)
- libav.org/releases/libav-11.5.changelog (Vendor Advisory)
- www.ubuntu.com/usn/USN-2944-1 (vendor-advisory, Third Party Advisory)
- blogs.gentoo.org/ago/2015/07/16/libav-divide-by-zero-in-ff_h263_decode_mba/ (Issue Tracking)
- www.securityfocus.com/bid/75932 (vdb-entry)
- git.libav.org/
Frequently asked questions
- What is CVE-2015-5479?
- CVE-2015-5479 is a medium-severity vulnerability in Libav, classified under CWE-189. CVSS score: 6.5/10. Published 2016-04-19.
- How severe is CVE-2015-5479?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2015-5479 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.